Monthly climate guide
Saint Helier weather in June
June in Saint Helier is typically mild, with average daytime highs around 18°C (64°F) and night-time lows near 14°C (56°F). The month usually brings about 57 mm of rain (some rain) and is often cloudy. Daytime highs are 3°C warmer than May and 2°C cooler than July.
What stands out in June
- In Saint Helier, June is early summer.
- There's little difference between day and night (around 4°C).
Avg high
18°C
64°F
Avg low
14°C
56°F
Rainfall
57 mm
some rain
Humidity
83%
relative
Sky
69%
cloud · often cloudy
Saint Helier weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 9°C / 48°F | 6°C / 43°F | 89 mm | 86% | 87% |
| February | 9°C / 48°F | 6°C / 42°F | 74 mm | 85% | 83% |
| March | 10°C / 50°F | 7°C / 44°F | 59 mm | 85% | 78% |
| April | 13°C / 55°F | 8°C / 47°F | 48 mm | 82% | 69% |
| May | 15°C / 59°F | 11°C / 51°F | 50 mm | 83% | 68% |
| June | 18°C / 64°F | 14°C / 56°F | 57 mm | 83% | 69% |
| July | 20°C / 67°F | 16°C / 60°F | 47 mm | 82% | 61% |
| August | 20°C / 68°F | 16°C / 61°F | 61 mm | 81% | 68% |
| September | 19°C / 66°F | 15°C / 59°F | 52 mm | 81% | 69% |
| October | 16°C / 61°F | 13°C / 55°F | 85 mm | 83% | 80% |
| November | 13°C / 55°F | 10°C / 50°F | 95 mm | 85% | 86% |
| December | 11°C / 51°F | 8°C / 46°F | 111 mm | 86% | 88% |
What to pack for June
- A warm sweater or fleece for layering
- A mid-weight jacket
- A small travel umbrella, just in case
Is June a good time to visit Saint Helier?
Compare the months in the chart above to find your ideal window.
Best time to visit Saint Helier →Cite or embed this data
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Saint Helier weather in June. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/jersey/saint-helier/june
<a href="https://weathercompare.eu/weather/jersey/saint-helier/june">Saint Helier weather in June</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/jersey/saint-helier" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Saint Helier weather in June"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/jersey/saint-helier/june">Saint Helier weather in June</a> – WeatherCompare</p>
Saint Helier in June: quick answers
Is June a good time to visit Saint Helier?
Yes. June is one of the best months for Saint Helier, with highs around 18°C and about 57 mm of rain.
How warm is Saint Helier in June?
Average highs are about 18°C (64°F) and average lows about 14°C (56°F), based on 10 years of daily data.
Does it rain a lot in Saint Helier in June?
Saint Helier typically gets around 57 mm of rain in June — some rain.
Figures are long-term averages for the area around Saint Helier (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.